We developped GAVIP (that stands for Gestural Auditory Visual Interactive Platform) as an interactive, immersive and multimodal virtual reality installation in which the participant is immersed in a virtual environment composed of 3D audio-visual objects in the form of “bubbles”. Participants can interact with the 3D audio-visual objects in real-time. Participants’ position and gestures are analyzedin real time through a 3D motion capture system and used to control the scene and the 3D objects by adapting their position, sound, morphology, texture or dynamics. GAVIP allows for an interaction with the audio, visual and spatial modalities while respecting inter-modal coherency to ensure the participant full immersion in the virtual space.